Citazione Stile APA (7a Edizione)

ebrary, Inc, & Kerkhof, P. C. M. v. d. (2003). Textbook of psoriasis (2nd ed.). Blackwell.

Citazione stile Chigago Style (17a edizione)

ebrary, Inc, e Petrus Cornelis Maria van de Kerkhof. Textbook of Psoriasis. 2nd ed. Malden, Mass.: Blackwell, 2003.

Citatione MLA (9a ed.)

ebrary, Inc, e Petrus Cornelis Maria van de Kerkhof. Textbook of Psoriasis. 2nd ed. Blackwell, 2003.